104
Chapter 4
Phoenix BIOS Beep Codes
Code
Beeps
POST Routine Description
02h
Verify Real Mode
03h
Disable Non-Maskable Interrupt (NMI)
04h
Get CPU type
06h
Initialize system hardware
08h
Initialize chipset with initial POST values
09h
Set IN POST flag
0Ah
Initialize CPU registers
0Bh
Enable CPU cache
0Ch
Initialize caches to initial POST values
0Eh
Initialize I/O component
0Fh
Initialize the local bus IDE
10h
Initialize Power Management
11h
Load alternate registers with initial POST
values
12h
Restore CPU control word during warm
boot
13h
Initialize PCI Bus Mastering devices
14h
Initialize keyboard controller
16h
1-2-2-3
BIOS ROM checksum
17h
Initialize cache before memory autosize
18h
8254 timer initialization
1Ah
8237 DMA controller initialization
1Ch
Reset Programmable Interrupt Controller
20h
1-3-1-1
Test DRAM refresh
22h
1-3-1-3
Test 8742 Keyboard Controller
24h
Set ES segment register to 4 GB
26h
Enable A20 line
28h
Autosize DRAM
29h
Initialize POST Memory Manager
2Ah
Clear 215 KB base RAM
2Ch
1-3-4-1
RAM failure on address line xxxx
2Eh
1-3-4-3
RAM failure on data bits xxxx of low byte
of memory bus
2Fh
Enable cache before system BIOS
shadow
30h
1-4-1-1
RAM failure on data bits xxxx of high byte
of memory bus
32h
Test CPU bus-clock frequency
33h
Initialize Phoenix Dispatch Manager
36h
Warm start shut down
38h
Shadow system BIOS ROM
3Ah
Autosize cache
Summary of Contents for Aspire 5236
Page 6: ...VI ...
Page 12: ...4 Chapter 1 System Block Diagram For Aspire 5738G 5738ZG 5738Z 5738 5338 Series ...
Page 13: ...Chapter 1 5 For Aspire 5536 5536G 5236 Series ...
Page 34: ...26 Chapter 1 ...
Page 49: ...Chapter 2 41 ...
Page 50: ...42 Chapter 2 ...
Page 82: ...74 Chapter 3 14 Remove the USB board module from the lower case ...
Page 104: ...96 Chapter 3 ...
Page 116: ...108 Chapter 4 F5h Boot to Mini DOS F6h Clear Huge Segment F7h Boot to Full DOS Code Beeps ...
Page 178: ...Appendix A 170 Model Definition and Configuration Appendix A ...
Page 224: ...Appendix A 216 ...
Page 228: ...220 Appendix B ...
Page 230: ...222 Appendix C ...